CVE-2026-82278
BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 28, 2026
- Updated
- Sep 24, 2026
- Reserved
- Aug 28, 2026
Description
BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/run_once endpoint, which executes them with exec() without sandboxing, gaining access to filesystem, credentials, and internal network resources.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
bishengdataelement |
|
References
- GitHub Issue #2189issue-tracking
- https://github.com/dataelement/bishengproduct
- Vulnerable code: workflow.pytechnical-description
- VulnCheck Advisory: BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_oncethird-party-advisory
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